I was sent to attend the first drill of the Womens Independent Rifle Club, of Cincinnati, the members of which are training themselves to guard our homes against the enemy if we go away to war. Go said the editor and find out what sort of a...

Making rifle barrels that will shoot true and straight requires mathematical exactness. These expert workmen in an American factory that is turning out rifles and cartridges for our fighting men are making these rifle barrels accurately straight...

Table of Contents: Perfecting Organiations for Home Defense; The Development of Transportation; Increasing Cotton Production; Alum and its Uses; Leather Substitutes for the Marine; Making White Pigments; Keep up the Farm Buildings; Charles H....

Table of Contents: The Kentucky rifle; Artists with a camera; Less worryin' on the greens; 50 years of tire progress; Chemistry's squeeze play; What do you know about air conditioning; Stop that fall; It says right here in Webster; Fashions in...

Table of Contents: Signs are favorable for good business; Problems and Pyroxylin solutions; Railroad at the top of the world; Yes sir, it's a Nesser; DuPont exhibit at the Brazilian International Centennial Exposition won the Grande Premio;...

Table of Contents: Building the Ocean Bridges; Limestone for Everyone; Nitrate of Sda -- A Life of Necessity; Why Better Roads Immediately; The Brandywine Mill; Painted Furniture; Care of the Rifle; Destructive Disposition of the Crow; Shoot Life...

Table of Contents: Agriculture and the War; An Idle Army of 500,000,000; Camphor; The Shotgun in Modern Warfare; Apply Industrial Paints; Making Nitroglycerin; Making Black Blasting Powder; Smokeless Rifle Powders.